USGS:Ecosystems

Business & Economics

Ethisphere

Ethisphere Institute is an international think-tank “dedicated to the creation, advancement, and sharing of best practices in business ethics, corporate social responsibility, anti-corruption, and sustainability.”

Earth Science

Environmental Geoscience Program at AGI: American Geosciences Institute

Educational tools created by an association of geologists, geophysicists, and earth scientists that cover major environmental topics.Includes publications, slide shows, information about legislation, and more.

National Snow and Ice Data Center

U.S. Geological Survey Photographic Library

Contains over 400,000 photographs taken during geologic studies of the United States and its territories from 1868 to the present.All the photographs are in the public domain, but the U.S. Geological Survey requests that users credit the photographer.

Farmland Information Center

Clearinghouse for information about farmland protection and stewardship.View the Conservation section for efforts to reduce soil erosion, improve water quality, and protect grasslands, wetlands, and wildlife.

Gaylord Nelson and Earth Day:The Making of a Modern Environmental Movement

Gaylord Anton Nelson (1916–2005), a senator from Wisconsin, was the principal founder of Earth Day.This site is a rich resource for historical information about the environmental movement, the founding of Earth Day, and a digitized collection of Nelson’s papers.

The Theodore Roosevelt Center at Dickinson State University

Theodore Roosevelt (1858–1919) was the first American president (1901–09) to present conservation as a significant domestic political issue.The Theodore Roosevelt Center is a digital archive of President Roosevelt’s papers.The website includes a biographical overview and a timeline of significant events.

Center for Watershed Protection

FracFocus

Managed by the Groundwater Protection Council, FracFocus provides information about the history of hydraulic fracturing, how hydraulic fracturing works, and the impact of hydraulic fracturing on groundwater.